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- 14:20, 14 November 2025 PC talk contribs created page Rust Futures vs. Go Goroutines: The Ultimate Async I/O Performance Showdown (Created page with "I ran the same load test against two servers handling real async I/O work. One used Rust with Tokio futures. The other used Go with goroutines. Both promised effortless concurrency, but the memory graphs told different stories. When traffic spiked past 5,000 connections, one service stayed lean while the other ballooned to twice the footprint. The throughput gap was smaller than I expected, but the predictability gap was not. How Each Model Schedules Work Under Pressure...")